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S290 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S290

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This page is mainly introduced the S290 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S290,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S290

Steel Garde:S290
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	916～607	σb/MPa
Yield Strength	771	σ 0.2 ≥/MPa
Elongation	58	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	647～466	-
HRC	30	-

Physical Properties

Thermal expansion	64-45	e-6/K
Thermal conductivity	38-50	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3906-5860	째C
Density	6549-3302	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
S290 Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk